Metal feeder for linotype machines



Decl 30, 1924.

J. H. EAST METAL FEEDER FOR LINOTYPE MACHINES 2 Sheets-Sheet l Filed May3l, 1923 Dec. 30. 1924 1,521,349

J. H. BAST METAL-FEEDER FOR LINOTYPE MACHINES Filed May 51, 1923 2,Sheets-Sheet 2 Patented @een Bti,

Ui'i'ED STTES ,PATET QFFlCE.`

JOSEEH H. EAST, 0F SANTA MONCA, CALIFORNIA.

METAL FEEDER EGR LINOTYPE MACHINES.

Application liled May 3l,

To @ZZ whom t may concern.'

Be it known that l., Josnri-i l-l. Blier, a citizen of the UnitedStates, residing at Santa Monica, in the county of lios Angeles andState of California, have invented new and useful improvements inifi/letal Feeders for Linotype Machines, of which the following is aspecification.

My invention is a metal feeder for linotype machines, and it is aspecial object of this invention to provide means for maintaining asubstantially constant level of molten metal, as required in the castingof successive lines of type, in a well known manner.

lt is an object of this invention to provide means for suitablysupporting a replenishiiig bar of type metal above a pot of thecharacter described, and in a preferred einbodiment of my invention lprovide means for intermittent release and advance of the replenishingbar, this advance being made dependent upon the rate of withdrawal ofmolten metal.

lt is a specific object of this invention to provide means whereby thenormal reciprocation of a moving part, such as the reciprocation of apump piston rod, may be utilized to trip a lock which normally holds abar of type metal in an elevated position; and in a preferred embodimentof my invention l may employ a float, upon one arm of a lever whoseother or remote arm may be adapted to push a hook or the like, into thepath of the mentioned reciprocating part, in such manner as to completea` release of a bar of type metal, whenever the mentioned float shalldescend below a predetermined level.

()ther objects of my invention will appear in the following descriptionof a preferred embodiment thereof, and from the appended claims, takenin connection with the accompanying drawings, in which- Fig. l may beregarded as a front elevation of a metal feeder of my preferred design,and the same being shown as extending into a pot which is shown insection.

Fig. 2 is a corresponding elevational view, which may be regarded astaken at right angles to F ig. l, the float and replenishing bar beingshown in their respective lowered positions.

Fig. 3 is a view similar to Fig. 2, but

showing the replenishing bar and the float as in their respectiveelevated position.

i923. Serial N0. 642,642.

llig. 4 is a detailed view on anv enlarged scale showing preferred typeof lock, hereinafter described.

Figs. 5 and 6 show, respectively, vertical and horizontal sections ofsecuring means by which a bar of type metal may be secured to asupport-ing rod; Figure 6 being taken on the line 6 6 of Figure 5.

Fig. i' shows an alternative form in which a spacer' block S is employedto keep a replenishing bar from contact with the bottom of a pot.

Referring in detail to that specific em'- bodiment of my invention whichl have chosen for purposes of illustration, l is a pot, heated by anysuitable means (not shown) in order to provide molten metal for thecasting of linotype slugs or the like, such molten metal being forced,or pumped, from said pot by means of a piston 2, whose rod 3 may be'reciprocated by a lever 4, the said i'od and lever being shown asconnected by pin 5, participating in the reciprocation of the rod 3, andpreferably provided with an extending end adapted to be engaged by ahook 6, for the purpose hereinafter described.

ln order to introduce metal into the pot l, as required to maintain asubstantially constant level therein, various means might be employed,but l propose, for this purpose, the use of a solid replenishing bar 7of type metal, this being shown as removably connected to a vertical rod8, which is adapted to be held by a locking lever9, except when a pullupon the link 10, pivoted thereto, shall cause a momentary release ofthe rod 8, and permit a descent of the mentioned replenishing bar intothe pot l, with whose bottom it may then come in contact, as best shownin Figures l and 2.

ln order to release the locking lever 9 by a suitable pull upon the linkl() whenever the molten metal in the pot l shall fall below a`predetermined level, any suitable means may be employed; but, for thispurpose, l propose to employ a iioat 1i, which may be formed of asuitable infusible metal lighter than type metal, such as iron, thisfloat being shown as secured to the inner arm of a lever l2, pivoted at13 upon the pot l, the remote arm la of the said lever being providedwith a loop or eye l5, adapted to engage and position the lower end ofthe mentioned link l0, provided with the hook 6, it being obvious froman inspection of belowfa predetermined level, corresponding,

movement of the loop may bring the hoolrV 6 into contact with tlie"reciprocating'pin f a descent of the replenishing bar 7 into con.-

tact ,with1..the bottom of .thev pot` 1,4m such y i;naniierf.that.thelower 'endV of `the' bar 7 will be "melted and raise'the level of themolten metal therein. ,Upon thementioned raising of,.lthe,.level'fofmoltenA metal in. the pot l, it WillQbe obviousthat, by. thevu'pward orreturn-movement of vlever 12 this movement lbeing transmitted through.the arm 14 car'- rying the loop .15, thehook .6 Vmay be moved from vthepathof reciprocating pin 5, and ,the llink 110 fand'leverv 9 may thereby.be permitted to return to their elevated, or normal, positions.. f ,s Y

vwillfbe obvious that any 'equivalent ,locking orf clamping means 'mightVbe substituted for those described,'and that thereturn of .fthe rlever9 toits locking position maybe eiiectedby'any lsuitable means, suchfa'sresilient element or spring 16, shown as vsecured under tensionbetween the outer end .of the lever 9 anda bracket fl'i", extendingtotheslide 18, carried by afined arm 19, to whichit'may bereinovablysecured by means such las the'bolt 20, the lever 9 beingpreferablyprovided with faii eccentric lor similar' engaging surface21'adjacent'its'pivot 22, extending through the guide 1.8 in such manner,that `the spring V16 may be effective to `clamp-the rod 8 relatively.to the guide 18 whenever4 the hook 6 shall be disengaged from thepin,inthe manner described.

Although4 any suitable means maybe employe'd'ftoA connect a bar of typemetal with the. rod 8, `or its equivalent, suggest, for this purpose,the employment of ya .channel Vbest .seen in'V Figures 5 and 6, whereinit` is shownas riveted to thebai: 8 andprovided withla, projection',adapted to entend through a corresponding aperture 26 in the bar 7, theprojection 25V being show-nas'pro'-y vided withv a threadedV aperturewithin whichis seated a thumb screw 2?, having `shoulder 28, adapted to"contact with a washerV Q9 in such vmannerY as to retain the bar 7iiicontactwith the interi'itti iig .tiari ii wal l s ofthe-rc'hannel-member 2li.. i Althoughk v4ll havehereiii. described but.one vcomplete embodiment, .itWill .be understood that `variousfeaturesthereof-mightvbe independently employed,` and also that variousmodii'ications mightgbe made therein without departurefrom..thespirit'and scope of my inveiition,as'thesame.is indicated. above 'nd inthefollowing claims..

' .1...Afpotffor molten typemetal, for

v.Support for a body ,o-ftype metal, said g for maintainingasubstantially constant level of molten metal therein, saidmaintaining"meansbomprising a oat pivoted on said pot and constitutingan inner arm ofv a lever provided ywith `means to position a hook Y inthe path of a reciprocating part A pot for molten type metal, means forwithdrawing metal;therefrom,....and means yfor maintaining asubstantially constant level of inolteii4 inetallthereimisaid maintain-'ing means comprising a ,float pivoted on ,said potand constitutinganinnerarmof a lever provided with meansfto position a ,hookin the pathof, a. reciprocating'partconnected ivith'a'pump. 1 i, f

3. A; pot-formoltenftype metal, means for withdrawing 'metal therefrom,.means .for

maintaining a substantially. .constant l velof i moltenk metal,ytherein, Vsaid maintaining means comprising a vguide for a movablebeingprovided with'a locking' members* Y a resilient means formovingsaidlocking member intoengaging position.

, ,AJ pot for molten typeinetal, means forV withdrawing metal therefrom,and.fnieans for, inaii'itaining a substantially. constant levelofinolten metal therein, said maintaiiiino' means cc'mprisinga guide fora movable V'support foralbody of type'metal, said guide beingprovided'ivith a locking member, and

a link for moving said lockingmeans. v Y

pot for molten' type metal, means for withdrawing metal therefrom, andmeans formaintaining a substantially constant level moltenmetalstherein, said maintaining means rnvcomprising gui'de for aAmovable support for abody of typemetal, saidY guide beingr providedwithY a locking member, anda link for moving saidl locking means, saidlink being provided withl a hook.

6. A! prot for molten type` metal, means for withdrawingv metaltherefrom, meaiisfor maintaining a substantially .constantlevel ofAiolteii metal therein, said maintaining means comprising a guide fora'movable support for a body of type nietahand, com prising' also afloat, and imealnsjmovable thereby flor. positioning a.; hooi;V in thepath of ,reciprocatingpart 7. Apot'for .molten-.type .ine tal,v means Yfor .withdrawing metal therefrom, means for maintaining. a,substantiallyv constant level of molten .metal therein, -said maintaiming meanscomprismg .a guide` forI a movable support for abody.oftypenietal, and; com-r prising also a iioat,= and.means.-.movable thereby `for posit-ioning....a hook in .thepath of..,amreciprocating. "part, comprised in -a pump. Y ,Y i ln testimonywhereoflchave vsigned my name ytothis specification...

Josie-PH

